Respuesta :
X=18. x/16 =45/40 so if you did 40 divided by 16, you’d get 2.5. Then, you’d do 45/2.5 and get 18
x is 18. first you cross multiply. 16 x 45, which equals to 720. then you divide the sum, which is 720 by 40. after that you get x which is 18.